./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7cdbf1a1c8f20bea42ab4ad35fbada62352deeb8460cfeb3778e870071fb234e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:51,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:51,203 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:56:51,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:51,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:51,260 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:51,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:51,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:51,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:51,267 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:51,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:51,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:51,269 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:51,271 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:51,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:51,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:51,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:51,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:51,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:51,273 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:51,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:51,275 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:51,276 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:51,276 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:51,276 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:51,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:51,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:51,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:51,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:51,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:51,280 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:51,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:51,281 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:51,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cdbf1a1c8f20bea42ab4ad35fbada62352deeb8460cfeb3778e870071fb234e [2023-11-24 22:56:51,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:51,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:51,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:51,644 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:51,668 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:51,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c [2023-11-24 22:56:54,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:54,884 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:54,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c [2023-11-24 22:56:54,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/bin/ukojak-verify-afCqCEvfdi/data/9e59472da/88792170dcaa41978ac55948864c91b6/FLAG12b3a1c47 [2023-11-24 22:56:54,908 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/bin/ukojak-verify-afCqCEvfdi/data/9e59472da/88792170dcaa41978ac55948864c91b6 [2023-11-24 22:56:54,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:54,912 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:54,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:54,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:54,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:54,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:54" (1/1) ... [2023-11-24 22:56:54,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c59e73d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:54, skipping insertion in model container [2023-11-24 22:56:54,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:54" (1/1) ... [2023-11-24 22:56:54,944 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:55,115 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c[576,589] [2023-11-24 22:56:55,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:55,145 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:55,157 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c[576,589] [2023-11-24 22:56:55,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:55,181 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:55,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:55 WrapperNode [2023-11-24 22:56:55,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:55,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:55,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:55,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:55,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:55" (1/1) ... [2023-11-24 22:56:55,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:55" (1/1) ... [2023-11-24 22:56:55,219 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-11-24 22:56:55,220 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:55,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:55,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:55,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:55,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:55" (1/1) ... [2023-11-24 22:56:55,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:55" (1/1) ... [2023-11-24 22:56:55,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:55" (1/1) ... [2023-11-24 22:56:55,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:55" (1/1) ... [2023-11-24 22:56:55,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:55" (1/1) ... [2023-11-24 22:56:55,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:55" (1/1) ... [2023-11-24 22:56:55,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:55" (1/1) ... [2023-11-24 22:56:55,245 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:55" (1/1) ... [2023-11-24 22:56:55,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:55,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:55,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:55,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:55,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:55" (1/1) ... [2023-11-24 22:56:55,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:55,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:55,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:55,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49e2f519-3717-41bb-a398-b1810805a433/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:56:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:56:55,384 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:55,386 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:55,566 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:55,623 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:55,623 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:56:55,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:55 BoogieIcfgContainer [2023-11-24 22:56:55,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:55,626 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:55,626 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:55,636 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:55,637 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:55" (1/1) ... [2023-11-24 22:56:55,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:55,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:55,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-24 22:56:55,712 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-24 22:56:55,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:56:55,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:55,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:55,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:56:55,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:55,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:55,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:55,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-24 22:56:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-24 22:56:55,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:56:55,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:55,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:56,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:56,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:56,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:56,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:56,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-24 22:56:56,168 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-24 22:56:56,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:56:56,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:56,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:56,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 22:56:56,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:56,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:56,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:56,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2023-11-24 22:56:56,731 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2023-11-24 22:56:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:56:56,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:56,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:56,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-24 22:56:56,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:57,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2023-11-24 22:56:57,668 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2023-11-24 22:56:57,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:56:57,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:57,731 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:56:57,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:57,797 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:57,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:57,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2023-11-24 22:56:57,887 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2023-11-24 22:56:57,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:56:57,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:57,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:57,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:56:57,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:58,091 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:58,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:58,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2023-11-24 22:56:58,505 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2023-11-24 22:56:58,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:56:58,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:58,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:58,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:58,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:58,645 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 22:57:00,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:00,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 124 transitions. [2023-11-24 22:57:00,367 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 124 transitions. [2023-11-24 22:57:00,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:57:00,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:00,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:00,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:57:00,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:57:01,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:01,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 57 states and 134 transitions. [2023-11-24 22:57:01,176 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 134 transitions. [2023-11-24 22:57:01,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:57:01,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:01,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:01,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:57:01,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:01,313 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 22:57:02,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:02,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 60 states and 151 transitions. [2023-11-24 22:57:02,423 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 151 transitions. [2023-11-24 22:57:02,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:57:02,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:02,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:02,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:57:02,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:02,914 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-24 22:57:03,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:03,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 64 states and 171 transitions. [2023-11-24 22:57:03,913 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 171 transitions. [2023-11-24 22:57:03,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:57:03,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:03,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:03,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:57:03,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:04,089 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:57:04,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:04,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 68 states and 178 transitions. [2023-11-24 22:57:04,989 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 178 transitions. [2023-11-24 22:57:04,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:57:04,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:04,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:05,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:57:05,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:05,367 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:57:13,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:13,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 79 states and 242 transitions. [2023-11-24 22:57:13,077 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 242 transitions. [2023-11-24 22:57:13,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:57:13,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:13,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:13,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:57:13,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:13,168 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:57:13,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:13,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 81 states and 243 transitions. [2023-11-24 22:57:13,798 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 243 transitions. [2023-11-24 22:57:13,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:57:13,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:13,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:13,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:57:13,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:14,586 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:57:23,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:23,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 93 states and 286 transitions. [2023-11-24 22:57:23,158 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 286 transitions. [2023-11-24 22:57:23,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:57:23,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:23,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:23,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:57:23,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:23,736 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:57:28,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:28,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 96 states and 294 transitions. [2023-11-24 22:57:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 294 transitions. [2023-11-24 22:57:28,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:57:28,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:28,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:28,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:57:28,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:29,284 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:57:30,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:30,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 98 states and 296 transitions. [2023-11-24 22:57:30,850 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 296 transitions. [2023-11-24 22:57:30,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:57:30,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:30,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:30,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:57:30,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:31,427 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:57:35,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:35,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 103 states and 322 transitions. [2023-11-24 22:57:35,679 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 322 transitions. [2023-11-24 22:57:35,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:57:35,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:35,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:35,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:57:35,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:36,039 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:57:38,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 107 states and 326 transitions. [2023-11-24 22:57:38,290 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 326 transitions. [2023-11-24 22:57:38,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:57:38,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:38,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:38,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:57:38,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:38,372 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-24 22:57:42,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:42,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 112 states and 339 transitions. [2023-11-24 22:57:42,194 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 339 transitions. [2023-11-24 22:57:42,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-24 22:57:42,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:42,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:42,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:57:42,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:42,718 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-24 22:57:46,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:46,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 116 states and 350 transitions. [2023-11-24 22:57:46,414 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 350 transitions. [2023-11-24 22:57:46,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:57:46,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:46,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:46,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:57:46,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:57:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.